Finding the Fourth Proportional to 3,126,103.97, 4,688,499.84 and 881,717.09
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Solution
The fourth proportional to 3,126,103.97, 4,688,499.84 and 881,717.09 is: 1,322,390.57
Step by Step Solution
- Step 1: Write the proportion equation
3,126,103.97 : 4,688,499.84 = 881,717.09 : x - Step 2: Convert to fraction form
3,126,103.97/4,688,499.84 = 881,717.09/x - Step 3: Cross multiply
3,126,103.97x = 4,688,499.84 × 881,717.09 - Step 4: Simplify right side
3,126,103.97x = 4,133,930,411,947.77 - Step 5: Solve for x
x = 4,133,930,411,947.77/3,126,103.97 - Step 6: Final answer
x = 1,322,390.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.